True solar time
astronomic time calculator
The current true solar time for location compared to local time:
latitude: 54.074201
longitude: 37.639593
Local time: 05:40:17
True solar time: 05:16:23
Solar / Astronomic Time calculation:
Coordinated Universal Time (UTC) 21:40:17
Local Time 00:40:17
Day of Year 346
Time Equation, value -5.5414890611131
Time Equation, in seconds -332
Difference from Local Time, seconds 1766
Total Difference, seconds 1434
True Time: 05:16:23
This is the calculation of true solar (astronomic) time for location (54.074201, 37.639593).
The Local and Astronomic Time Divergence
The chart shows the divergence between local and astronomic time for the chosen place within a current year period. Maximum divergence of local and solar time this year is on the 12/02/2025 and is equal to 00 hour 44 min 02 sec (2642 seconds). Minimum divergence is on the 30/10/2025 and is equal to 00 hour 12 min 59 sec (779 seconds).
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